Process of making incandescent-electric-lamp filaments.



UNITED STATES PATENT OFFICE.

'WALTER G. CLARK, 0F NEW YORK, N. Y..

ASSIGNOR TO PARKER-CLARK ELECTRIC COMPANY, 0]? JERSEY CITY, NEW JERSEY. A CORPORATION'v OF NEW JERSEY.

PROCESS OF MAKING INCANDESCENI'ELECTRICLAMP FILAMENTS.

No Drawing.

Specification of Letters Patent.

Application led April 5. 1906. Sexial No. 309.993.

Patented July 12, 1910.

flushing :l vnl-hun lilnnwnt in :xn :itxnusphcrv l silirnn :ts'tlt-Pusilt-tl npnn the lilnnwnt ls nX'- tllzwl ntu sllivn.

Y A WA L'l`l'lll (l. CLA RK. 

